56837613 has 16 divisors (see below), whose sum is σ = 91704960. Its totient is φ = 30567936.

The previous prime is 56837609. The next prime is 56837629. The reversal of 56837613 is 31673865.

It is not a de Polignac number, because 56837613 - 2² = 56837609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56837633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79248 + ... + 79961.

It is an arithmetic number, because the mean of its divisors is an integer number (5731560).

Almost surely, 2^56837613 is an apocalyptic number.

It is an amenable number.

56837613 is a deficient number, since it is larger than the sum of its proper divisors (34867347).

56837613 is a wasteful number, since it uses less digits than its factorization.

56837613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159236.

The product of its digits is 90720, while the sum is 39.

The square root of 56837613 is about 7539.0724230505. The cubic root of 56837613 is about 384.4842996989.

The spelling of 56837613 in words is "fifty-six million, eight hundred thirty-seven thousand, six hundred thirteen".